▎ 摘　　要

NOVELTY - A composite counter electrode comprises a conductive substrate, a graphene/platinum composite layer and a titanium oxide reflective layer sequentially coated on the conductive substrate, where the mass fraction of platinum nanoparticles in the graphene/platinum composite layer is 10-35%, and titanium dioxide reflective layer is composed of a nano titanium dioxide composite slurry containing doped titania microspheres. USE - Composite counter electrode for preparing dye-sensitized battery (claimed). ADVANTAGE - The electrode has high conductivity, corrosion resistance, reduced cost and enhanced catalytic efficiency, and improves the photoelectric conversion efficiency of the battery, and can be prepared in simple, easy and cost effective manner. DETAILED DESCRIPTION - INDEPENDENT CLAIMS are also included for the following: (1) a method for preparing dye-sensitized battery composite counter electrode (2) a method for preparing dye-sensitized battery.